Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Shares [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Earnings (Loss) [Member]
Beginning Balance at Jun. 30, 2013	$ 33,743	$ 4,722	$ 13,396	$ 16,031	$ (406)
Beginning Balance,Shares at Jun. 30, 2013		9,444,000
Net earnings (loss)	(545)	$ 0	0	(545)	0
Minimum pension liability adjustment, net of tax	72	0	0	0	72
Share-based compensation	48	$ 0	48	0	0
Share-based compensation, shares		0
Ending Balance at Jun. 30, 2014	33,318	$ 4,722	13,444	15,486	(334)
Ending Balance, Shares at Jun. 30, 2014		9,444,000
Net earnings (loss)	245	$ 0	0	245	0
Minimum pension liability adjustment, net of tax	(40)	0	0	0	(40)
Share-based compensation	37	$ 0	37	0	0
Share-based compensation, shares		0
Ending Balance at Jun. 30, 2015	$ 33,560	$ 4,722	13,481	15,731	(374)
Ending Balance, Shares at Jun. 30, 2015	9,444,000	9,444,000
Net earnings (loss)	$ (14,083)	$ 0	0	(14,083)	0
Minimum pension liability adjustment, net of tax	(46)	0	0	0	(46)
Share-based compensation	58	$ 0	58	0	0
Share-based compensation, shares		0
Ending Balance at Jun. 30, 2016	$ 19,489	$ 4,722	$ 13,539	$ 1,648	$ (420)
Ending Balance, Shares at Jun. 30, 2016	9,444,000	9,444,000